<template>
<div>
  <!--面包屑-->
  <el-breadcrumb separator-class="el-icon-arrow-right">
    <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
    <el-breadcrumb-item>商品管理</el-breadcrumb-item>
    <el-breadcrumb-item>商品列表</el-breadcrumb-item>
  </el-breadcrumb>
  <!--卡片区-->
  <el-card>
    <el-row :gutter="20">
      <el-col :span="8">
        <el-input placeholder="可输入关键字查找" v-model="queryInfo.query" clearable @clear='getGoodsList'>
          <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
        </el-input>
      </el-col>
      <el-col :span="4">
        <el-button type="primary" @click="goAddpage">添加商品</el-button>
      </el-col>
    </el-row>
    <!--table 表格区-->
    <el-table :data="goodslist" border stripe>
      <el-table-column type="index">#</el-table-column>
      <el-table-column label='商品名称' prop="goods_name"></el-table-column>
      <el-table-column label='商品价格(￥)' prop="goods_price" width="95px"></el-table-column>
      <el-table-column label='商品重量' prop="goods_weight" width="90px"></el-table-column>
      <el-table-column label='创建时间' prop="add_time" width="140px">
        <template slot-scope="scope">
          {{scope.row.add_time | dateFormat}}
        </template>
      </el-table-column>
      <el-table-column label='操作' width="140px">
        <template slot-scope="scope">
          <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
          <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
        </template>
      </el-table-column>
    </el-table>
    <!--分页区-->
    <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[10, 30, 80, 120]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total">
    </el-pagination>
  </el-card>
</div>
</template>

<script>
export default {
  data() {
    return {
      // 查询参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodslist: [],
      // 数据总条数
      total: 0
    }
  },
  methods: {
    // 根据分页获取相应的商品列表
    async getGoodsList() {
      const {
        data: res
      } = await this.$http.get('goods', {
        params: this.queryInfo
      })

      if (res.meta.status !== 200) return this.$message.error('获取商品列表失败')
      // this.$message.success('获取商品列表成功')

      // console.log(res.data)
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    // 根据 id删除商品
    async removeById(id) {
      try {
        await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        })

        const {
          data: res
        } = await this.$http.delete(`goods/${id}`)

        if (res.meta.status !== 200) return this.$message.error('操作失败')
        this.getGoodsList()
        this.$message.success(res.meta.msg)

      } catch (err) {

        this.$message.info('取消操作')
      }
    },

    // 点击添加商品 跳转 商品添加页面
    goAddpage() {
      this.$router.push('/goods/add')
    },

    // 分页下拉框
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 分页下一页
    handleCurrentChange(newPage) {
      // console.log(1)
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
  },
  created() {
    this.getGoodsList()
  },

}
</script>

<style>

</style>
